Alcohols, Phenols & Ethers · JEE Main previous year questions

A binary liquid solution is prepared by mixing n-heptane and ethanol. Which one of the following statements is correct regarding the behaviour of the solution ?

1. A.The solution formed is an ideal solution
2. B.The solution is non-ideal, showing +ve deviation from Raoult’s law.
3. C.The solution is non-ideal, showing –ve deviation from Raoult’s law.
4. D.n-heptane shows +ve deviation while ethanol shows –ve deviation from Raoult’s law.

A liquid was mixed with ethanol and a drop of concentrated ${\mathrm{H}}_2\mathrm{S}{\mathrm{O}}_4$ was added. A compound with a fruity smell was formed. The liquid was :

1. A.$\mathrm{C}{\mathrm{H}}_3\mathrm{OH}$
2. B.$\mathrm{HCHO}$
3. C.$\mathrm{C}{\mathrm{H}}_3\mathrm{COC}{\mathrm{H}}_3$
4. D.$\mathrm{C}{\mathrm{H}}_3\mathrm{COOH}$

1. A.
2. B.
3. C.
4. D.